/**
 * Copyright 2010 Tristan Slominski
 *
 * Licensed under the MIT License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.opensource.org/licenses/mit-license.php
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mindash.handlebars.client.wrappers;

import com.google.gwt.event.logical.shared.ValueChangeHandler;

/**
 * @author Tristan Slominski
 *
 * Interface wrapped around {@link History} object to simplify testing.
 */
public interface HistoryWrapper {

  public void addValueChangeHandler(ValueChangeHandler<String> handler);

  public void back();

  public void fireCurrentHistoryState();

  public void forward();

  public String getToken();

  public void newItem(String historyToken);

  public void newItem(String historyToken, boolean issueEvent);
  
}
